Module org.eclipse.persistence.jpa
Package org.eclipse.persistence.internal.jpa.transaction

Class EntityTransactionImpl

java.lang.Object
org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl
All Implemented Interfaces:
EntityTransaction
public class EntityTransactionImpl extends Object implements EntityTransaction
JDK 1.5 version of the EntityTransaction. Differs from base version only in that it takes a JDK 1.5 version of the EntityTransactionWrapper.
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected boolean
    active
     
    protected org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.TransactionFinalizer
    finalizer
     
    static boolean
    isFinalizedRequired
    PERF: Avoid finalization if not required by the application, and finalizers have major concurrency affects.
    protected WeakHashMap<QueryImpl,QueryImpl>
    openQueriesMap
    Keep a weak reference to the open queries that are executed in this entity manager.
    protected boolean
    rollbackOnly
     
    protected EntityTransactionWrapper
    wrapper
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    EntityTransactionImpl(EntityTransactionWrapper wrapper)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addOpenQuery(QueryImpl query)
    Queries that leave the connection and are executed against this entity manager will be added here.
    void
    begin()
    Start the current transaction.
    protected void
    closeOpenQueries()
    Open queries within a transaction will be closed on commit or rollback if they haven't already been closed.
    void
    commit()
    Commit the current transaction, writing any un-flushed changes to the database.
    protected Map<QueryImpl,QueryImpl>
    getOpenQueriesMap()
    Return the weak reference to the open queries.
    boolean
    getRollbackOnly()
    Determine whether the current transaction has been marked for rollback.
    boolean
    isActive()
    Check to see if the current transaction is in progress.
    void
    rollback()
    Roll back the current transaction, discarding any changes that have happened in this transaction.
    void
    setRollbackOnly()
    Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • openQueriesMap

      protected WeakHashMap<QueryImpl,QueryImpl> openQueriesMap
      Keep a weak reference to the open queries that are executed in this entity manager.

    • wrapper

      protected EntityTransactionWrapper wrapper

    • active

      protected boolean active

    • rollbackOnly

      protected boolean rollbackOnly

    • finalizer

      protected org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.TransactionFinalizer finalizer

    • isFinalizedRequired

      public static boolean isFinalizedRequired
      PERF: Avoid finalization if not required by the application, and finalizers have major concurrency affects.

  • Constructor Details

  • Method Details

    • addOpenQuery

      public void addOpenQuery(QueryImpl query)
      Queries that leave the connection and are executed against this entity manager will be added here. On rollback or commit any left over open queries should be closed.

    • begin

      public void begin()
      Start the current transaction. This can only be invoked if isActive() returns false.
      Specified by:
      begin in interface EntityTransaction
      Throws:
      IllegalStateException - if isActive() is true.

    • closeOpenQueries

      protected void closeOpenQueries()
      Open queries within a transaction will be closed on commit or rollback if they haven't already been closed.

    • commit

      public void commit()
      Commit the current transaction, writing any un-flushed changes to the database. This can only be invoked if isActive() returns true.
      Specified by:
      commit in interface EntityTransaction
      Throws:
      IllegalStateException - if isActive() is false.

    • rollback

      public void rollback()
      Roll back the current transaction, discarding any changes that have happened in this transaction. This can only be invoked if isActive() returns true.
      Specified by:
      rollback in interface EntityTransaction
      Throws:
      IllegalStateException - if isActive() is false.

    • setRollbackOnly

      public void setRollbackOnly()
      Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.
      Specified by:
      setRollbackOnly in interface EntityTransaction
      Throws:
      IllegalStateException - if isActive() is false.

    • getOpenQueriesMap

      protected Map<QueryImpl,QueryImpl> getOpenQueriesMap()
      Return the weak reference to the open queries.

    • getRollbackOnly

      public boolean getRollbackOnly()
      Determine whether the current transaction has been marked for rollback.
      Specified by:
      getRollbackOnly in interface EntityTransaction
      Throws:
      IllegalStateException - if isActive() is false.

    • isActive

      public boolean isActive()
      Check to see if the current transaction is in progress.
      Specified by:
      isActive in interface EntityTransaction